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    • 17. 发明授权
    • Electrochemical analyte sensors using thermostable soybean peroxidase
    • 电化学分析物传感器使用耐热大豆过氧化物酶
    • US06689265B2
    • 2004-02-10
    • US09815747
    • 2001-03-23
    • Adam HellerGregg L. KenausisQiang ChenMark S. Vreeke
    • Adam HellerGregg L. KenausisQiang ChenMark S. Vreeke
    • G01N27327
    • C12Q1/6825C12Q1/005
    • A sensor for the detection and measurement of an analyte in a biofluid. The sensor includes two enzymes. One type of sensor measures the concentration of hydrogen peroxide using a thermostable peroxidase enzyme that is immobilized in a redox hydrogel to form a sensing layer on a working electrode. This sensor also includes a hydrogen peroxide-generating second enzyme which is insulated from the redox hydrogel and electrode. This second enzyme generates hydrogen peroxide in response to the presence of an analyte or analyte-generated compound. The second enzyme may be insulated from the electrode by placement of an electrically insulating layer between the sensing layer and the second enzyme layer. Alternatively, the second enzyme is immobilized in an inorganic polymeric matrix, preferably made using a sol-gel polymerization process. Such matrices include those made of silica. Often, the second enzyme is stabilized by immobilization in a sol-gel. Further stabilization of polyelectrolytic enzymes can be obtained by immobilizing the enzyme with a polyelectrolytic polymer in the sol-gel matrix.
    • 用于检测和测量生物流体中分析物的传感器。 传感器包括两种酶。 一种传感器使用固定在氧化还原水凝胶中的热稳定过氧化物酶测量过氧化氢的浓度,以在工作电极上形成感测层。 该传感器还包括与氧化还原水凝胶和电极绝缘的产生过氧化氢的第二酶。 该第二酶响应于分析物或分析物产生的化合物的存在而产生过氧化氢。 第二种酶可以通过在感测层和第二酶层之间放置电绝缘层而与电极绝缘。或者,将第二种酶固定在无机聚合物基质中,优选使用溶胶 - 凝胶聚合方法制备。 这些基质包括由二氧化硅制成的那些。 通常,通过固定在溶胶 - 凝胶中来稳定第二种酶。 聚电解酶的进一步稳定可以通过在溶胶 - 凝胶基质中用聚电解质聚合物固定酶来获得。
    • 19. 发明授权
    • Receptacle connector having anti-mismating structures
    • 具有抗错配结构的插座连接器
    • US06458001B1
    • 2002-10-01
    • US10027756
    • 2001-12-19
    • Qiang ChenGuangXing ShiLiHua Cheng
    • Qiang ChenGuangXing ShiLiHua Cheng
    • H01R1364
    • H01R13/64H01R24/64
    • A receptacle connector (1; 1′) includes an insulative housing (2; 2′), a contact module (3; 3′), a conductive outer shield (4; 4′) and a pair of blocking tabs (441; 441′). The insulative housing defines a receiving cavity (28; 28′), a slot (203; 203′) communicating with the receiving cavity, and a groove (202; 202′) in communication with both the receiving cavity and the slot. The contact module has an insulative portion (30; 30′) assembled in the insulative housing and a number of electrical contacts (32; 32′) retained to the insulative portion and partly extending into the receiving cavity. Each blocking tab has a curved portion (443; 443′) resiliently received in the slot and a finger (445; 445′) extending through the groove into the receiving cavity to prevent an incorrect insertion of a non-complementary plug connector (6).
    • 插座连接器(1; 1')包括绝缘壳体(2; 2'),接触模块(3; 3'),导电外护罩(4; 4')和一对阻挡片 ')。 所述绝缘壳体限定接收腔(28; 28'),与所述接收腔连通的槽(203; 203')和与所述容纳腔和所述槽两者连通的凹槽(202; 202')。 接触模块具有组装在绝缘壳体中的绝缘部分(30; 30')和多个保持在绝缘部分上并且部分延伸到接收腔中的电触头(32; 32')。 每个阻挡突片具有弹性地容纳在槽中的弯曲部分(443; 443')和延伸穿过凹槽进入接收腔的手指(445; 445'),以防止不互补插头连接器(6)的错误插入, 。